22220484 has 96 divisors (see below), whose sum is σ = 63673344. Its totient is φ = 5934720.

The previous prime is 22220453. The next prime is 22220489. The reversal of 22220484 is 48402222.

It is not an unprimeable number, because it can be changed into a prime (22220489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39187 + ... + 39749.

It is an arithmetic number, because the mean of its divisors is an integer number (663264).

Almost surely, 2^22220484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31836672).

22220484 is an abundant number, since it is smaller than the sum of its proper divisors (41452860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220484 is a wasteful number, since it uses less digits than its factorization.

22220484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 22220484 is about 4713.8608379968. The cubic root of 22220484 is about 281.1368912091.

It can be divided in two parts, 222 and 20484, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 22220484 in words is "twenty-two million, two hundred twenty thousand, four hundred eighty-four".